The Green Cross Corporation

Yoshio Arakawa

Kazumasa Yokoyama

Tadakazu Suyama

Chikara Fukaya

Taizo Ono

Yoshio Tsuda

Yoshihisa Inoue

Youichiro Naito

Daisuke Satoh

Atuyuki Takanabe

Yasuo Ueda

Yoshio Kagitani

Nobuhiko Komatsu

Yahiro Uemura

Satoshi Funakoshi

Koichi Yamauchi

Yoshio Isuda

A novel compound of the formula, ##STR1## wherein R denotes a lower perfluoroalkyl group, l is an integer of 3 or 4, n+m is an integer of 2 or 3, provided that n may be zero, and at least one of ring A and ring B may be substituted by a lower perfluoroalkyl group, prepared by reacting the corresponding perhydro compound with fluorine is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Perfluoro compounds

A novel compound of the formula, ##STR1## wherein k is zero or an integer of 1 to 2, j is an integer of from 1 or 3, l and m are each zero or an integer of from 1 to 3, and n is an integer of from 1 to 4, the rings A, B and C being optionally substituted with at least one trifluoromethyl group or tetrafluoroethyl group is prepared by reacting the perhydro compound corresponding thereto with fluorine. The compound is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Perfluoro-1-azatricyclic amine compounds useful as blood substitutes or

Perfluoro-1-azatricyclic amines as blood substitutes

A perfluoroether compound having the following formula is useful as a thermostable, inert solvent and inter alia as an oxygen carrier in an artificial blood or infusion fluid. ##STR1## wherein Rf.sub.1 and Rf.sub.2 are different from each other and are selected from the group of a C.sub.1 or C.sub.3 perfluoroalkyl group which may be interrupted by an oxygen atom, and a C.sub.5 -C.sub.7 perfluorocycloalkyl group, and n and n' are zero or an integer of 1; one of Rf.sub.1 and Rf.sub.2 being the C.sub.5 -C.sub.7 perfluorocycloalkyl group and the total number of carbon atoms being 9-11 inclusive.

Perfluoro ether compound containing perfluorocycloalkyl moiety

A novel compound of the formula, ##STR1## wherein k is zero or an integer of 1 to 2, j is an integer of from 1 to 3, l and m are each zero or an integer of from 1 to 3, and n is an integer of from 1 to 4, the rings A, B and C being optionally substituted with at least one trifluoromethyl group or tetrafluoroethyl group is prepared by reacting the perhydro compound corresponding thereto with fluorine. The compound is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Perfluoro-1-azatricyclic amine compounds useful as oxygen carriers in

A perfluorobicyclo compound of the general formula: ##STR1## wherein either or both of Ring A and Ring B may optionally be substituted with lower perfluoroalkyl group(s) and m and n each represent 3 or 4.

Perfluoroindolizines and emulsions thereof useful as blood substitutes

Emulsions of perfluoro octahydro quinolizines useful as blood substitutes

A novel compound of the formula, ##STR1## wherein R denotes a lower perfluoroalkyl group l is an integer of 3 or 4, n+m is an integer of 2 or 3, provided that n may be zero, and at least one of ring A and ring B may be substituted by a lower perfluoroalkyl group, prepared by reacting the corresponding perhydro compound with fluorine is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Perfluoro compound and emulsion thereof

A perfluorobicyclo compound of the general formula: ##STR1## wherein either or both of Ring A and Ring B may optionally be substituted with lower perfluoroalkyl group (s) and m and n each represent 3 or 4.

Perfluoropyrrolizines and emulsions thereof useful as blood substitutes

Perfluoro-1-azatricyclic amine compound

Perfluorocycloamines represented by the general formula: ##STR1## wherein either or both of ring A and ring B may be substituted with lower perfluoroalkyl group(s), m and n are independently 4, 5, or 6 and Z is a perfluoroalkylene group or a mere bond.

Perfluorocycloamines

A perfluorotricyclic amine compound which is usable as an oxygen carrier in an artificial blood, represented by the general formula ##STR1## wherein R denotes a perfluoroalkyl group having 1-4 carbon atoms; the ring A denotes a five- or six-membered ring, the ring B denotes a five-, six- or seven-membered ring, the ring C denotes a five- or six-membered ring any one of the rings A, B and C optionary being substituted by one or more lower perfluoroalkyl group in addition to the above-mentioned substituent R; and further f, g, h, i, j and k denote integers appropriately selected to construct the above-mentioned size of rings A, B, and C; is prepared by reacting the corresponding perhydrotricyclic amine with fluorine.

Perfluorotricyclic amines as oxygen carriers

A novel compound of the formula, ##STR1## wherein k, j, l and m are zero or an integer of from 1 to 3, and n is an integer of from 1 to 3, the rings A, B and C being optionally substituted with at least one trifluoromethyl group, prepared by reacting the corresponding perhydro compound with fluorine is useful as a material capable of carrying oxygen in an aqueous emulsion for lifesaving a patient suffering from massive hemorrhage and for preserving internal organs in transplantation.

Growing community of inventors

Suita, Japan

Yoshio Arakawa